51723344 has 20 divisors (see below), whose sum is σ = 100576896. Its totient is φ = 25768032.

The previous prime is 51723341. The next prime is 51723383. The reversal of 51723344 is 44332715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51723341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184 + ... + 10239.

Almost surely, 2^51723344 is an apocalyptic number.

It is an amenable number.

51723344 is a deficient number, since it is larger than the sum of its proper divisors (48853552).

51723344 is a wasteful number, since it uses less digits than its factorization.

51723344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714 (or 11708 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 51723344 is about 7191.8943262537. The cubic root of 51723344 is about 372.5880013696.

The spelling of 51723344 in words is "fifty-one million, seven hundred twenty-three thousand, three hundred forty-four".